31429970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:771

約数の個数: 64

約数和(自身を含む): 68705280

約数和(自身を除く): 37275310

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 682, 709, 715, 806, 1418, 1430, 1705, 2015, 3410, 3545, 4030, 4433, 7090, 7799, 8866, 9217, 15598, 18434, 21979, 22165, 38995, 43958, 44330, 46085, 77990, 92170, 101387, 109895, 202774, 219790, 241769, 285727, 483538, 506935, 571454, 1013870, 1208845, 1428635, 2417690, 2857270, 3142997, 6285994, 15714985, 31429970]

約数ペア:

[(1, 31429970), (2, 15714985), (5, 6285994), (10, 3142997), (11, 2857270), (13, 2417690), (22, 1428635), (26, 1208845), (31, 1013870), (55, 571454), (62, 506935), (65, 483538), (110, 285727), (130, 241769), (143, 219790), (155, 202774), (286, 109895), (310, 101387), (341, 92170), (403, 77990), (682, 46085), (709, 44330), (715, 43958), (806, 38995), (1418, 22165), (1430, 21979), (1705, 18434), (2015, 15598), (3410, 9217), (3545, 8866), (4030, 7799), (4433, 7090)]